NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, all time — NPA 978
CHARTER IP ENABLED SERVICES, LLC 12
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2018-10-24 978-464-6XXX 6000–6999Assigned CHARTER IP ENABLED SERVICES, LLC 792K PRINCETON MA
2014-05-22 978-650-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K PEPPERELL MA
2010-06-04 978-754-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K GARDNER MA
2005-01-06 978-748-0XXX 0000–0999Assigned CHARTER IP ENABLED SERVICES, LLC 792K TYNGSBORO MA
2004-12-07 978-212-8XXX 8000–8999Assigned CHARTER IP ENABLED SERVICES, LLC 792K HUDSON MA
2004-12-07 978-257-8XXX 8000–8999Assigned CHARTER IP ENABLED SERVICES, LLC 792K BARRE MA
2004-12-07 978-272-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K GROTON MA
2004-12-07 978-391-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K AYER MA
2004-12-07 978-415-0XXX 0000–0999Assigned CHARTER IP ENABLED SERVICES, LLC 792K BERLIN MA
2004-12-07 978-456-0XXX 0000–0999Assigned CHARTER IP ENABLED SERVICES, LLC 792K HARVARD MA
2004-12-07 978-820-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K HUBBARDSTN MA
2004-12-07 978-925-9XXX 9000–9999Assigned CHARTER IP ENABLED SERVICES, LLC 792K PEPPERELL MA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.